When they arrived, they said Brady was laying on the ground surrounded by a group of friends.

Brady died after being brought to a hospital in Springfield.

Police found the knife used in the attack underneath a mattress inside the home on Hoover Lane.

Adams's friend, the son of the homeowner, admitted he had dropped Adams off in Hartford.

Adams was found at his mother's home.

His attorney said he had been the victim of bullying at Enfield High School and his family moved him to Florida to finish.

Fox called the incident isolated.

There is an increased police presence at Enfield High School that will continue over the next few days.

The superintendent told Channel 3 that the added police at the school is simply a precaution as the investigation continued.

Counselors and other professionals are also on hand.

Enfield High School students and friends of Brady gathered on Monday for a vigil.

“He was a humble, kind-hearted kid, very funny," said Dustin Vosburgh of Enfield.

“I used to grow up with his sister," said Jenna Genco of Enfield. "He was a good kid. Didn’t deserve it, nobody deserves it, but he lit up the room, like you said, he was a goofball. He really was really sweet.”